To achieve widening and storage of a widening part which can secure a large space immediately.SOLUTION: An expansion/contraction mechanism includes: a fixed guide part fixed to a vehicle body; a first slider part which can slide in a longitudinal direction of the fixed guide part; and a second slider part which can slide in a longitudinal direction of the first slider part. The fixed guide part is provided with: a screw shaft; and a first chain support part which is fixed to the fixed guide part and is not connected to the screw shaft. The first slider part is provided with: a nut part which is fixed to the first slider part and threadedly engaged with the screw shaft; and a chain connected with the first chain support part. The second chain support part connected to the chain is fixed to the second slider part.SELECTED DRAWING: Figure 4

    【課題】大スペースを即座に確保することが可能な拡幅部の拡幅および収納を実現する。【解決手段】伸縮機構であって、車両本体に固定された固定ガイド部と、前記固定ガイド部の長手方向にスライド可能な第1スライダー部と、前記第1スライダー部の長手方向にスライド可能な第2スライダー部とを備え、前記固定ガイド部には、ネジ軸と、該固定ガイド部に固定されかつ前記ネジ軸に接続されていない第1チェーン支持部とが設けられ、前記第1スライダー部には、該第1スライダー部に固定されかつ前記ネジ軸と螺合されるナット部と、前記第1チェーン支持部に接続されたチェーンとが設けられ、前記第2スライダー部には、前記チェーンに接続された第2チェーン支持部が固定されている。【選択図】図4


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    Title :

    EXPANSION/CONTRACTION MECHANISM AND SPECIALLY-EQUIPPED VEHICLE


    Additional title:

    伸縮機構および特装車両


    Contributors:

    Publication date :

    2021-12-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS / B62D MOTOR VEHICLES , Motorfahrzeuge



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